A car has to cover a distance of 240 km in 30 hours. If it covers half of the journey in 3/5 th of the time, the speed to cover the remaining distance in the time left has to be:
Total Distance = 240km Total Time = 30 hours He covers half of the Journey in 3/5th of the time = 30 × 3/5 = 18 hours Now remaining Distance = 240 – 120 = 120km Remaining time = 12 hours Speed to cover the distance of 120 km will be = 120/12 = 10km/hr
Select the option in which the numbers are related in the same way as are the numbers of the following set.
(25, 18, 225)
7 12 33 ? 635 3804
...52 60 44 68 ? 76
100 180 294 448 648 ?
Select the number from among the given options that can replace the question mark (?) in the following series.
2, 6, 12, 20, ?, ?
231 451 671 242 485 264
...7, 14, 42, 210, 1470, ?
12 23 65 ? 1239 7409
...1, 1, 1.5, 3, 7.5 , ?
19 20 29 54 103 ?